; RUN: llc -o - %s -mattr=+arith-bcc-fusion | FileCheck --check-prefix=FUSEBCC %s ; RUN: llc -o - %s -mattr=+arith-cbz-fusion | FileCheck --check-prefix=FUSECBZ %s ; RUN: llc -o - %s -mcpu=cyclone | FileCheck --check-prefix=FUSEBCC --check-prefix=FUSECBZ %s target triple = "aarch64-unknown" declare void @foobar(i32 %v0, i32 %v1) ; Make sure cmp is scheduled in front of bcc ; FUSEBCC-LABEL: test_cmp_bcc: ; FUSEBCC: cmp {{w[0-9]+}}, #13 ; FUSEBCC-NEXT: b.ne {{.?LBB[0-9_]+}} define void @test_cmp_bcc(i32 %a0, i32 %a1) { entry: %cond = icmp eq i32 %a0, 13 %v1 = add i32 %a1, 7 br i1 %cond, label %if, label %exit if: call void @foobar(i32 %v1, i32 %a0) br label %exit exit: call void @foobar(i32 %a0, i32 %v1) ret void } ; Make sure sub is scheduled in front of cbnz ; FUSECBZ-LABEL: test_sub_cbz: ; FUSECBZ: subs [[SUBRES:w[0-9]+]], w0, #13 ; FUSECBZ: b.ne {{.?LBB[0-9_]+}} define void @test_sub_cbz(i32 %a0, i32 %a1) { entry: ; except for the fusion opportunity the sub/add should be equal so the ; scheduler would leave them in source order if it weren't for the scheduling %v0 = sub i32 %a0, 13 %cond = icmp eq i32 %v0, 0 %v1 = add i32 %a1, 7 br i1 %cond, label %if, label %exit if: call void @foobar(i32 %v1, i32 %v0) br label %exit exit: call void @foobar(i32 %v0, i32 %v1) ret void }